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3answers
188 views

Choosing the number of clusters in hierarchical agglomerative clustering

I have a set of points that I want to cluster into groups according to a number of features computed. I have distance matrix containing the distances between all different pairs of points. I have ...
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0answers
362 views

Determining Optimal Number of Cluster in Hierarchical Clustering in Consideration of Variance of Data

I'm applying a Hierarchical Agglomerative Clustering (HAC) for grouping my data and I need to determine the number of the cluster automatically. To determine the optimal number of cluster, I obtain ...
2
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2answers
725 views

How to derive a distance function based on multiple variables for cluster analysis?

I am not a statistician, so please excuse my lack of statistics knowledge/terminology. I have bunch of network nodes that I want to run cluster analysis on and identify clusters. So as far as I ...
2
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1answer
326 views

Are HAC estimators used for estimation of regression coefficients?

The references I can find on HAC procedures (like Newey-West) in regression focus on the standard error of the estimated regression coefficients and hypothesis testing involving the same. I cannot ...